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CTRI Number  CTRI/2025/08/093735 [Registered on: 27/08/2025] Trial Registered Prospectively
Last Modified On: 26/08/2025
Post Graduate Thesis  Yes 
Type of Trial  Interventional 
Type of Study   Drug
Surgical/Anesthesia 
Study Design  Randomized, Parallel Group, Active Controlled Trial 
Public Title of Study   A Study Comparing Split Dose And Single Dose Spinal Anaesthesia In Infraumbilical Abdominal Surgeries. 
Scientific Title of Study   A Comparative Study Of Hemodynamic Stability And Anaesthetic Efficacy Of Fractioned And Single Dose Spinal Anaesthesia In Infraumbilical Abdominal Surgeries.A Prospective Randomised Control Study. 
Trial Acronym  NIL 
Secondary IDs if Any  
Secondary ID  Identifier 
NIL  NIL 
 
Details of Principal Investigator or overall Trial Coordinator (multi-center study)  
Name  Mounisha SV 
Designation  Post graduate Student 
Affiliation  shri sathya sai medical college and research institute 
Address  Department of Anaesthesiology 2nd floor , Hospital block shri sathya sai medical college and research institute ammapettai kancheepuram tamilnadu india
Department of Anaesthesiology 2nd floor , Hospital block shri sathya sai medical college and research institute ammapettai kancheepuram tamilnadu india
Kancheepuram
TAMIL NADU
603108
India 
Phone  9791288909  
Fax    
Email  svcmounishavinayagam@gmail.com  
 
Details of Contact Person
Scientific Query
 
Name  Jagan G 
Designation  Assossiate Professor 
Affiliation  shri sathya sai medical college and research institute 
Address  Department of Anaesthesiology 2nd floor , Hospital block shri sathya sai medical college and research institute ammapettai kancheepuram tamilnadu india
Department of Anesthesiology 2nd floor hospital block shri sathya sai medical college and research institute ammapettai kancheepuram tamilnadu india
Kancheepuram
TAMIL NADU
603108
India 
Phone  9791288909  
Fax    
Email  drjagangovindasamy@gmail.com  
 
Details of Contact Person
Public Query
 
Name  Mounisha SV 
Designation  Post graduate student 
Affiliation  shri sathya sai medical college and research institute 
Address  sssmcri women hostel shri sathya sai medical college and research institute ammapettai kancheepuram tamilnadu india
sssmcri women hostel shri sathya sai medical college and research institute ammapettai kancheepuram tamilnadu india
Kancheepuram
TAMIL NADU
603108
India 
Phone  9791288909  
Fax    
Email  svcmounishavinayagam@gmail.com  
 
Source of Monetary or Material Support  
NIL 
 
Primary Sponsor  
Name  Mounisha SV 
Address  sssmcri women hostel shri sathya sai medical college and research institute ammapettai kancheepuram tamilnadu india 
Type of Sponsor  Other [Self] 
 
Details of Secondary Sponsor  
Name  Address 
NIL  NIL 
 
Countries of Recruitment     India  
Sites of Study  
No of Sites = 1  
Name of Principal Investigator  Name of Site  Site Address  Phone/Fax/Email 
Dr Mounisha SV  Shri sathya Sai Medical college and Research Centre  Department of Anesthesiology 2nd floor , Hospital block shri sathya sai medical college and research institute ammapettai kancheepuram tamilnadu india
Kancheepuram
TAMIL NADU 
9791288909

svcmounishavinayagam@gmail.com 
 
Details of Ethics Committee  
No of Ethics Committees= 1  
Name of Committee  Approval Status 
Institutional Ethics Committee  Approved 
 
Regulatory Clearance Status from DCGI  
Status 
Not Applicable 
 
Health Condition / Problems Studied  
Health Type  Condition 
Healthy Human Volunteers  ASA 1 and 2 
Patients  (1) ICD-10 Condition: O||Medical and Surgical,  
 
Intervention / Comparator Agent  
Type  Name  Details 
Intervention  Fractionated spinal anaesthesia   In this patient will receive 2/3rd of same mixture initially with remaining 1/3rd injection after 60 sec  
Comparator Agent  Single dose spinal anaesthesia.  In single dose spinal anaesthesia Entire dose of 0.5 percentage bupivacaine given as single bolus  
 
Inclusion Criteria  
Age From  18.00 Year(s)
Age To  60.00 Year(s)
Gender  Both 
Details  1.patient assesed under ASA1 and ASA2
2.patient BMI between 20-30
3.patient posted for infraumblical abdominal surgeries 
 
ExclusionCriteria 
Details  1.patient with active infection at the site of spinal anaesthesia
2.patient with a known allergy to any of the spinal anaesthesia
3.patient with coagulation abnormality or bleeding disorder
4.patient who are contraindicated to spinal anaesthesia  
 
Method of Generating Random Sequence   Computer generated randomization 
Method of Concealment   An Open list of random numbers 
Blinding/Masking   Participant and Investigator Blinded 
Primary Outcome  
Outcome  TimePoints 
To compare the hemodynamic stability between two groups in terms of monitoring MAP,heart rate ,spo2  first 24hours after surgery 
 
Secondary Outcome  
Outcome  TimePoints 
NIL  NIL 
 
Target Sample Size   Total Sample Size="110"
Sample Size from India="110" 
Final Enrollment numbers achieved (Total)= "Applicable only for Completed/Terminated trials"
Final Enrollment numbers achieved (India)="Applicable only for Completed/Terminated trials" 
Phase of Trial   Phase 4 
Date of First Enrollment (India)   20/09/2025 
Date of Study Completion (India) Applicable only for Completed/Terminated trials 
Date of First Enrollment (Global)  Date Missing 
Date of Study Completion (Global) Applicable only for Completed/Terminated trials 
Estimated Duration of Trial   Years="1"
Months="6"
Days="0" 
Recruitment Status of Trial (Global)   Not Yet Recruiting 
Recruitment Status of Trial (India)  Not Yet Recruiting 
Publication Details   N/A 
Individual Participant Data (IPD) Sharing Statement

Will individual participant data (IPD) be shared publicly (including data dictionaries)?  

Response - NO
Brief Summary   This prospective double blind randomized controlled trial will evaluate the comparative effects of fractionated and single dose spinal anaesthesia in adult patients undergoing infraumbilical abdominal surgeries. Fractionated spinal anaesthesia, where the intrathecal dose is divided into two parts, is expected to provide better hemodynamic stability and prolonged analgesia compared to conventional single dose technique. The study will include 110 patients aged 18 to 60 years, ASA physical status I and  II.results aim to guide safer anaesthesia pratice by reducing complication like hypotension and improving perioperative outcomes 
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